How Facial Expressions Demonstrate Evolution of Emotions

March 21, 2014 4:41 PM

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The eyes have it, as they say. Well, at least that's what Cornell University neuroscientists believe, when it comes to how our faces govern certain expressions depending on varying emotional situations.

For instance, have you ever wondered why your eyes widen when you're afraid or they squint when you're disgusted or angry? Emotional responses are the simple answer.